320 search results - page 27 / 64 » A Theory of Spatio-Temporal Database Queries |
WWW
2008
ACM
14 years 8 months ago
2008
ACM
Local aspects of Web search -- associating Web content and queries with geography -- is a topic of growing interest. However, the underlying question of how spatial variation is m...
PODS
2009
ACM
14 years 8 months ago
2009
ACM
The paper investigates the question of whether a partially closed database has complete information to answer a query. In practice an enterprise often maintains master data Dm, a ...
ICDM
2006
IEEE
14 years 1 months ago
2006
IEEE
New applications of data mining, such as in biology, bioinformatics, or sociology, are faced with large datasets structured as graphs. We present an efficient algorithm for minin...
PODS
2007
ACM
14 years 7 months ago
2007
ACM
Many applications today need to manage large data sets with uncertainties. In this paper we describe the foundations of managing data where the uncertainties are quantified as pro...
IJIS
2002
13 years 7 months ago
2002
In search of semantic richer and more flexible database modelling and database querying techniques, different approaches based on fuzzy set theory have been developed. Among the m...